you can unfreeze your phone using unlock code.You can get the unlock code for your phone from http://www.simpleunlocking.com/samsung-t919/rs16wp9/ here you need to specify your country,Network name to which it is locked,IMEI number of your phone.Then they deliver unlock code to you through mail with unlocking instructions.By using this you can unlock your phone easily.
sahana, September 2013
